Home / 10,386.92-15,580.62-3,461.42

Finding the Fourth Proportional to 10,386.92, 15,580.62 and 3,461.42

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Solution

The fourth proportional to 10,386.92, 15,580.62 and 3,461.42 is: 5,192.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,386.92 : 15,580.62 = 3,461.42 : x
  2. Step 2: Convert to fraction form
    10,386.92/15,580.62 = 3,461.42/x
  3. Step 3: Cross multiply
    10,386.92x = 15,580.62 × 3,461.42
  4. Step 4: Simplify right side
    10,386.92x = 53,931,069.68
  5. Step 5: Solve for x
    x = 53,931,069.68/10,386.92
  6. Step 6: Final answer
    x = 5,192.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.